Question

PVC is an example of which kind of plastic?
A.Thermoplastic
B.Thermosetting
C.It is not a type of plastic
D.Both A and B

Answer 1

To answer this question we should know about the term ‘Polymer’ and the classification of polymer-based on several factors. $PVC$ stands for Polyvinyl chloride. It is the most widely used and produced synthetic plastic polymer.

Complete step by step answer:
First, we will understand the term ‘Polymer’. The term ‘Polymer’ is defined as very large molecules having high molecular mass. So option (A) Thermoplastic. It is one of the factors for the classification of polymer-based upon Molecular Forces. Thermoplastics are linear polymers and can be molded into the desired shape by heating and then cooling. Some of the examples are- Polystyrene, polythene, polyvinyl chloride $\left( {PVC} \right)$.
Option (B) Thermosetting. These are the low molecular weight, semi-fluid type polymers, which become hard, infusible, and insoluble on heating. Thermosetting polymers cannot be remelted again like thermoplastic polymers. Some of the examples are – Bakelite, Urea-formaldehyde resin.
Option (C) It is not a type of plastic. This option is neglected because $PVC$ is a thermoplastic polymer.
Option (D) Both A and B. It is also neglected because $PVC$ is a thermoplastic polymer.

Therefore, the correct option is (A).

Note:
Polymers are classified based upon the Molecular Forces. The intermolecular forces of attraction such as van der Waals forces of attraction, hydrogen bond, and dipole-dipole interactions.
Based on the magnitude of intermolecular forces polymers are classified as Elastomers, Fibers, Thermoplastics, and Thermosetting polymers.